Error uploading Briteq BTI-BLIZZARD WASH1 GDTF

I got an "Request failed with status code 413" uploading my 1.4 MiB Only GDTF File, which seem very weird (as it's not like 50MiB as other issues already submited)

It really block any import from Briteq official website :/

Error: https://pad.milkywan.fr/p/YxEAkbpUG8jpER64tHoI

GDTF : https://gdtf-share.com/userPage.php?name=Briteq&page=Revisions&fixtureId=20122

Thank you,